linux-kernel - Re: [PATCH V5 3/3] drm/vkms: Add information about module options

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Date:   Tue, 12 Jan 2021 07:14:53 -0300
From:   Melissa Wen <melissa.srw@...il.com>
To:     Sumera Priyadarsini <sylphrenadin@...il.com>
Cc:     rodrigosiqueiramelo@...il.com, hamohammed.sa@...il.com,
        daniel@...ll.ch, airlied@...ux.ie, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V5 3/3] drm/vkms: Add information about module options

On 01/12, Sumera Priyadarsini wrote:
> Update vkms documentation to contain usage of `modinfo`
> command and steps to load vkms with module options enabled.
> 
> Signed-off-by: Sumera Priyadarsini <sylphrenadin@...il.com>
> ---
>  Documentation/gpu/vkms.rst | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/Documentation/gpu/vkms.rst b/Documentation/gpu/vkms.rst
> index 9e030c74a82e..2c9b376da5ca 100644
> --- a/Documentation/gpu/vkms.rst
> +++ b/Documentation/gpu/vkms.rst
> @@ -35,6 +35,18 @@ Now, to load the driver, use::
>  On running the lsmod command now, the VKMS driver will appear listed.
>  You can also observe the driver being loaded in the dmesg logs.
>  
> +The VKMS driver has optional features to simulate different kinds of hardware,
> +which are exposed as module options. You can use the `modinfo` command
> +to see the module options for vkms::
> +
> +  modinfo vkms
> +
> +Module options are helpful when testing, and enabling modules
> +can be done while loading vkms. For example, to load vkms with cursor enabled,
> +use::
> +
> +  sudo modprobe vkms enable_cursor=1
> +

Hi Sumera,

Thanks for documenting.

You forgot to bring Daniel's ack; however, as I also reviewed and lgtm,

Reviewed-by: Melissa Wen <melissa.srw@...il.com>

>  To disable the driver, use ::
>  
>    sudo modprobe -r vkms
> -- 
> 2.25.1
>